10-3/4 Inch L80 Casing Pipe
Seamless L80 grade nonalloy steel casing, 273.1 mm OD but up-sized variant at 292 mm OD with 16 mm wall, for high-pressure oil zones. HTS 7304.29.20.60 applies to its seamless casing role in oil/gas, qualifying dimensions, and wall thickness.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel composition
Higher alloy content (e.g., chrome/moly) moves to alloy steel casing subheadings in 7304.59.
If sold as part of drilling rig set
Casing imported in sets with rig parts classifies under 8431 for drilling machinery parts.
If used as tubing rather than casing
Tubing (for production flow) vs. structural casing shifts within 7304.29 to tubing subheadings.
Not sure which classification is right?
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Import Tips & Compliance
• Include hydrostatic test certificates proving pressure rating suitable for drilling casing
• Document yield strength to confirm grade; mismatches lead to reclassification
Related Products under HTS 7304.29.20.60
API 5CT J55 Oil Well Casing Pipe
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9-5/8 Inch K55 Casing for Gas Wells
Seamless nonalloy steel K55 grade casing with 355.6 mm OD and 15.9 mm wall thickness, designed for gas well drilling to stabilize boreholes. Fits HTS 7304.29.20.60 as seamless, nonalloy casing for oil/gas, OD 285.8-406.4 mm, wall ≥12.7 mm.
13-3/8 Inch N80 Type 1 Oil Casing
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14 Inch P110 Heavy Wall Casing
Premium P110 grade seamless nonalloy casing with 355.6 mm OD and 17 mm wall thickness for extreme deepwater oil drilling. Precisely under 7304.29.20.60: seamless iron/nonalloy steel casing for oil/gas, OD range 285.8-406.4 mm, wall ≥12.7 mm.
12-1/4 Inch API Casing for Offshore Rigs
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